Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f3cc156da510889…

MALICIOUS

PDF

68.5 KB Created: 2021-02-20 12:29:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: f86d19e22e95de901dd126d2e4bb4cf2 SHA-1: 317016d4cbeee58836916f4d03d72418a69ce19f SHA-256: 1f3cc156da510889e5c1bb711d29ebc4f0b481362716e5871efa7f32932614c0
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://bologen.ru/wix?keyword=research+design+in+counseling+heppner+pdf PDF link annotation
    • http://kompledom.com/ti_facebook_lite_apkpurela5hp.pdfIn PDF document text
    • http://mklhhhh.space/what_color_is_similar_to_magentaj4826.pdfIn PDF document text
    • https://cdn.sqhk.co/pujazojiwixi/hajjwus/24155405322.pdfIn PDF document text
    • https://tedudizoz.weebly.com/uploads/1/3/2/6/132683188/fabujitefelegido.pdfIn PDF document text
    • http://1xbet-regi.site/35164751089jad81.pdfIn PDF document text
    • https://cdn.sqhk.co/jukunobegabe/hgCltgh/snake_evolution_timeline.pdfIn PDF document text
    • https://beluxavin.weebly.com/uploads/1/3/4/5/134507718/1383643.pdfIn PDF document text
    • http://allostar.buzz/resumo_da_obra_os_irmos_de_terenciojahif.pdfIn PDF document text
    • https://cdn.sqhk.co/lomasamube/h0tihmI/ladetugulesabetama.pdfIn PDF document text
    • http://lnstagramcopyrighthelps.com/lagu_free_iphonenz70x.pdfIn PDF document text
    • http://copyrightnotice-ig.com/pillars_of_eternity_2_aloth_romance_guide6xu3k.pdfIn PDF document text
    • https://cdn.sqhk.co/jukelifawap/ihLl5je/2226716413.pdfIn PDF document text
    • https://bivufinemena.weebly.com/uploads/1/3/1/3/131380184/5400618.pdfIn PDF document text
    • http://pay-order.info/el_toro_ferdinando_libro_wikipediavi14i.pdfIn PDF document text
    • http://albl.ru/group_discussion_guidelines_ppt65ho4.pdfIn PDF document text
    • https://legovizadedugid.weebly.com/uploads/1/3/1/8/131856283/e8faf92b578ce2.pdfIn PDF document text
    • https://falojaba.weebly.com/uploads/1/3/0/7/130776150/9267761.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/gekixadonuru/smartsheet_help_chat.pdfIn PDF document text
    • https://s3.amazonaws.com/desenaz/wijuwulejiti.pdfIn PDF document text
    • https://s3.amazonaws.com/vudivuzakal/betterley_report_cyber.pdfIn PDF document text
    • https://s3.amazonaws.com/kufazete/gasket_paper_sheet.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c9c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC9C9 5424 bytes
SHA-256: 71b364975d945b01544d6f3e7306d69de00e048a7a6ebd911576deeab5e037f6
font_01_sfnt_off0000dc41.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC41 12752 bytes
SHA-256: 3b9492f2b7f1013be04b727d6e44d2336346b368f2566720d8e9c8ceb1bf192e

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